//  Copyright (c) 2008 Ole Weidner
// 
//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <iostream>
#include <string>

#include "saga-file.hpp"

///////////////////////////////////////////////////////////////////////////////

static int argc_;

void printUsage()
{
  std::cout << "Usage: saga-file <command> <options>"						<< std::endl;
  std::cout << ""																								<< std::endl; 
  std::cout << "  Commands:         Options:\n" 			  		  	<< std::endl;
	std::cout << "  copy              <url from>  <url to>"       << std::endl; 
  std::cout << "  move              <url from>  <url to>"	  	  << std::endl; 
  std::cout << "  remove            <url>"			   							<< std::endl; 
  std::cout << ""                                               << std::endl; 
	std::cout << "  cat               <url>"											<< std::endl; 
  std::cout << ""																							  << std::endl; 
  std::cout << "  list_dir          <url>              "        << std::endl; 
  std::cout << ""                                               << std::endl; 
	std::cout << "  (url: scheme://host:port/path/to/file) "			<< std::endl; 
  std::cout << ""                                               << std::endl;
  std::cout << "This is a SAGA-based tool for file management." << std::endl;   
  std::cout << "For additional information, see http://saga.cct.lsu.edu."<< std::endl; 
}

void ExitIfArgcLessThan(int n)
{
  if (argc_ < n) {
    printUsage();
    exit(-1);
  }  
}

///////////////////////////////////////////////////////////////////////////////

int main (int argc, char* argv[])
{
  argc_ = argc;
  ExitIfArgcLessThan(2);

  if(!strcmp(argv[1], "cat"))
  {
    ExitIfArgcLessThan(3);
		file_cat(std::string(argv[2]));
  }  
  else if(!strcmp(argv[1], "run_test"))
  {
    ExitIfArgcLessThan(3);
		run_test(std::string(argv[2]));
  }  
  else if(!strcmp(argv[1], "copy"))
  {
    ExitIfArgcLessThan(4);
    file_copy(std::string(argv[2]), std::string(argv[3]));
  }
  else if(!strcmp(argv[1], "move"))
  {
    ExitIfArgcLessThan(4);
    file_move(std::string(argv[2]), std::string(argv[3]));
  }
  else if(!strcmp(argv[1], "remove"))
  {
    ExitIfArgcLessThan(3);
    file_remove(std::string(argv[2]));
  }
  else if(!strcmp(argv[1], "list_dir"))
  {
    ExitIfArgcLessThan(3);
    list_dir(std::string(argv[2]));
  }
	else
	{
		std::cout << "Unknown command: " << std::string(argv[1]) << std::endl;
		printUsage();
		exit(-1);
	}
  
  return 0;
}